WaterSense is a partnership program sponsored by the U.S. Environmental Protection Agency that seeks to protect the future of our nation's water supply by promoting water efficiency and enhancing the market for water-efficient products, programs, and practices.  Look for the WaterSense logo when you are shopping to identify high-performing, water-efficient products.  By installing aerators on all the faucets and high efficiency toilets you could save 1.2-19 gallons per day!